Re: [Sursound] Publishing music in ambisonics

2019-01-14 Thread Jon Francombe - Audio Team
Hi All, I've been involved in the work being discussed around "media device orchestration" — using an ad hoc array of connected, synchronised devices to create an immersive spatial audio experience. It's something we've been looking at in the S3A: Future Spatial Audio project (http://www.s3a-s

Re: [Sursound] Publishing music in ambisonics

2019-01-14 Thread Bo-Erik Sandholm
I converted / rendered files in Reaper, In to Opus, but a lot of other media formats are available. What file format do you have in the caf container? Bosse Den mån 14 jan. 2019 03:11 skrev Marc Lavallée : > Le 2019-01-13 à 8:20 p.m., Stefan Schreiber a écrit : > > Spatial media metadata not

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Marc Lavallée
Le 2019-01-13 à 8:20 p.m., Stefan Schreiber a écrit : Spatial media metadata not only for Youtube: https://github.com/google/spatial-media https://github.com/google/spatial-media/blob/master/docs/spatial-audio-rfc.md However, what is the source for HOA metadata? I am not sure that there is

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Stefan Schreiber
Spatial media metadata not only for Youtube: https://github.com/google/spatial-media https://github.com/google/spatial-media/blob/master/docs/spatial-audio-rfc.md However, what is the source for HOA metadata? I am not sure that there is anything “official” around here... Best, Stefan - -

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Politis Archontis
> On 13 Jan 2019, at 22:08, Bo-Erik Sandholm wrote: > > Angelo Farina has created a metadata "injector" to make ambisonic work in > VLC. > I think he described it it a posting in the ambisonic 360 VR audio facebook > group Actually, the standard “spatial media metadata” injector provided by Goo

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Bo-Erik Sandholm
Angelo Farina has created a metadata "injector" to make ambisonic work in VLC. I think he described it it a posting in the ambisonic 360 VR audio facebook group Bo Den sön 13 jan. 2019 19:27 skrev Politis Archontis < archontis.poli...@aalto.fi>: > Hi Marc, > > I believe it expects the “spatial

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Politis Archontis
Hi Marc, I believe it expects the “spatial media” metadata to be written in the file for VLC to interpret it as ambisonic. It worked for me in the past. Yes, it’s a shame that it is completely undocumented, especially since it was advertised as one of the cool new features of VLC 3. The decode

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Marc Lavallée
Le 2019-01-13 à 12:58 p.m., Marc Lavallée a écrit : I installed VLC (3.0.6 Veritani) on my Linux laptop Oops, I meant "Vetinari"... Marc ___ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscri

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Marc Lavallée
Le 2019-01-13 à 3:58 a.m., Bo-Erik Sandholm a écrit : The VLC supports ambix coded soundfield, there is somwhere a multimedia version in the works that will make it possible to use headtracking according to the VLC main developer. Bosse I installed VLC (3.0.6 Veritani) on my Linux laptop, and

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Marc Lavallée
Le 2019-01-12 à 9:01 p.m., Stefan Schreiber a écrit : Decoding in the browser would be for casual use, mostly for binaural listening, but decoding to speaker arrays would be nice, for exemple with 5.1 system (as a 4.1 system with a square or rectangular setup). - - - Why would you not be abl

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Politis Archontis
Hi, In JSAmbisonics online demos we have an example that decodes to 8 speakers, working in Chrome with success. I remember we had some problem getting output for more channels out at that time, but that was a year ago and things may have changed in Web-Audio. In general, the library supports o

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Bo-Erik Sandholm
https://developer.mozilla.org/en-US/docs/Web/API/AudioDestinationNode Destination channel numbers can be as many as soundcard outputs ! So yes there is nothing stopping us from having multichannel outputs from a web audio implemented in JavaScript.. Bosse On Sun, 13 Jan 2019 09:58 Bo-Erik Sandh

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Bo-Erik Sandholm
As far as I understand there is nothing stopping us to access a multichannel soundcard from the browser. To Marc, there is nothing else than the html competence and time that stops us from using Omnitone or JSAmbisonics to produce websites with Ambisonic content. I think with the www.ohti.xyz, th

Re: [Sursound] Publishing music in ambisonics

2019-01-13 Thread Bo-Erik Sandholm
These are links to the videos I have taken the sounds simple from, Angelo Farina has published many videos with TOA soundtracks. They are interested only in the jump-videos directory. http://www.angelofarina.it/Public/Jump-Videos/Corde-Vocali/Jump-3rd-order/ http://www.angelofarina.it/Public/Ju

Re: [Sursound] Publishing music in ambisonics

2019-01-12 Thread Stefan Schreiber
Citando Marc Lavallée : Le 2019-01-12 à 3:03 p.m., David Pickett a écrit : At 20:33 12-01-19, Marc wrote: What seems to be still missing (but I could be wrong), is a "standard" standalone ambisonics audio player. If such a player could play and decode ambisonics audio streams (hosted on a

Re: [Sursound] Publishing music in ambisonics

2019-01-12 Thread Marc Lavallée
Le 2019-01-12 à 4:40 p.m., Bo-Erik Sandholm a écrit : I improved my test / demo site www.ohti.xyz today. I added the demo for Omnitone SOA and TOA playback, with drag and drop an rotation, local file playback. It works in Chrome on my 3 year old Lenovo yoga tablet 2. The examples I have there

Re: [Sursound] Publishing music in ambisonics

2019-01-12 Thread Bo-Erik Sandholm
I improved my test / demo site www.ohti.xyz today. I added the demo for Omnitone SOA and TOA playback, with drag and drop an rotation, local file playback. It works in Chrome on my 3 year old Lenovo yoga tablet 2. The examples I have there is 16 channel 24 bit TOA encoded in opus. The server is

Re: [Sursound] Publishing music in ambisonics

2019-01-12 Thread Marc Lavallée
Le 2019-01-12 à 3:03 p.m., David Pickett a écrit : At 20:33 12-01-19, Marc wrote: What seems to be still missing (but I could be wrong), is a "standard" standalone ambisonics audio player. If such a player could play and decode ambisonics audio streams (hosted on a audio streaming web site),

Re: [Sursound] Publishing music in ambisonics

2019-01-12 Thread David Pickett
At 20:33 12-01-19, Marc wrote: What seems to be still missing (but I could be wrong), is a "standard" standalone ambisonics audio player. If such a player could play and decode ambisonics audio streams (hosted on a audio streaming web site), then it'd be an excellent start. Something similar

Re: [Sursound] Publishing music in ambisonics

2019-01-12 Thread Marc Lavallée
Le 2019-01-12 à 12:26 p.m., aswath Prabhu a écrit : Re: Publishing music in ambisonics This is further to my post asking about online portal to stream and post ambisonic content. Well, i searched a little and found this... Looks like development has stopped but i guess it can be further dev

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Marc Lavallée
Back then (4 years ago) I made a script to create compressed version of ambisonics files from source .amb files. It was rendering m4a and opus files with any numbers of channels (like 3 channels for horizontal-only FOA). It was using the channelx and interlx utils from the MCTools suite to extr

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Jeanine Cowen
; On Jan 10, 2019, at 12:00 PM, sursound-requ...@music.vt.edu wrote: > > Date: Thu, 10 Jan 2019 15:57:19 + > From: aswath Prabhu mailto:aswath...@hotmail.com>> > To: "sursound@music.vt.edu <mailto:sursound@music.vt.edu>" > mailto:sursound@music.vt.

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Steven Boardman
Media Device Orchestration? If so here's a paper i read a while ago... https://www.google.com/url?sa=t&source=web&rct=j&url=http://epubs.surrey.ac.uk/841961/1/2017-08%2520Francombe%2520AudioMostly.pdf&ved=2ahUKEwj0v4Xzr-bfAhUfIDQIHTxADnAQFjAKegQIARAB&usg=AOvVaw1yCbn-9qrgAiho8Dd1u4vt On Fri, 11 Ja

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Augustine Leudar
and yes you could do that with different devices - but I just cant see the public putting a laptop on the mantlepiece - and iphone on the windowsill etc - I reckon the more commercially viable options is a bespoke set of speakers. Make it so no 1. On Fri, 11 Jan 2019 at 18:43, Augustine Leudar wr

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Augustine Leudar
Please - just call me Gus ;) At Hyunkooks conference there was someone who had the idea of using phones (I think in tandem)I cant quire remmeber but I "think" it was The Vostok-K Incident – an immersive audio drama for ad hoc arrays of media devices o If you go to this link and right click it :

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread David Pickett
This sounds like a very complicated way of going about things, particularly when one can get four signals from one laptop. You would need a four channel external D/A box -- possibly a Behrigner ADA8200, or similar to do so. Ambisonics, even in one plane, assumes that the channels are at least

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Paul Hodges
--On 11 January 2019 14:58 +0100 Oddity Medium wrote: > Lets say you have two laptops and two phones, so you have four (mono) > speakers you can place around the house in a square or rectangle. > > So to get quadraphonic sound we need an app that coordinates four > files playing across these fou

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Marc Lavallée
Le 2019-01-11 à 8:58 a.m., Oddity Medium a écrit : We're interested in making a website/app that uses multiple independent speakers as multichannels. Lets say you have two laptops and two phones, so you have four (mono) speakers you can place around the house in a square or rectangle. So to get

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Oddity Medium
Dr Leudar, was your email directed at me? Re: "exactly the same idea"? If so, I'd like to discuss it more with you. On Fri, Jan 11, 2019 at 5:44 PM Augustine Leudar wrote: > Had exactly the same idea - there were some people at Hynunkooks conference > (WIMP) last year doing something similar. >

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Augustine Leudar
Had exactly the same idea - there were some people at Hynunkooks conference (WIMP) last year doing something similar. Virus-free. www.avast.com

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Bo-Erik Sandholm
https://m.facebook.com/groups/930534953740795?view=permalink&id=1822239041237044 In the above Facebook link, discussion there is links to ffmpeg binaries to use for aac encoding, also parameters needed for making 8 fullbandwidth encoded channels. Bevare of channel ordering, I guess the resulting

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Oddity Medium
We're interested in making a website/app that uses multiple independent speakers as multichannels. Lets say you have two laptops and two phones, so you have four (mono) speakers you can place around the house in a square or rectangle. So to get quadraphonic sound we need an app that coordinates f

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Paul Hodges
--On 10 January 2019 22:44 +0100 David Pickett wrote: > I agree. But it seems that the only way I have of making aac mp4 > files is to make them 5.1. I use Wavelab, but that's expensive. Richard Dobson's MCTools suite pf programs would enable one to remove the unneeded channels and set an approp

Re: [Sursound] Publishing music in ambisonics

2019-01-11 Thread Bo-Erik Sandholm
If your take a look at www.ohti.xyz you can listen to toa files played back in chrome browsers. The conversion is done in chrome or a some other brovsers. The binaural conversion is done by Omnitone and JSAmbisonics. Both projects can be found on github. I have not done much more than taking t

Re: [Sursound] Publishing music in ambisonics

2019-01-10 Thread David Pickett
At 21:47 10-01-19, Paul wrote: I replace a stereo file with a four-channel file (why waste bandwidth on empty channels?). I agree. But it seems that the only way I have of making aac mp4 files is to make them 5.1. My files are decoded to a square ("quad") speaker layout, and play just fi

Re: [Sursound] Publishing music in ambisonics

2019-01-10 Thread Paul Hodges
--On 10 January 2019 18:20 +0100 David Pickett wrote: > I do not know whether one can upload multichannel sound files to > Soundcloud, Bandcamp, etc; but I have successfully mounted some > experimental 4.0 mp4 files on my website. > > They are not B-format, but are in 5.1 format 5.1: FL, FR, C,

Re: [Sursound] Publishing music in ambisonics

2019-01-10 Thread Oddity Medium
Hello, Brud , the art-entity I lead, is interested in this as well. Our periphonic tape label Buio releases quadraphonic cassettes. We are looking for a multichannel streaming service. We haven't found one yet. If there is sufficient interest in this we

Re: [Sursound] Publishing music in ambisonics

2019-01-10 Thread David Pickett
Sorry, I sent the last message too soon. The methods used to make the recordings is described. Three use my pantophonic microphone (native B format), and the others are panpotted. The extracts are at https://www.fugato.com/pickett/surround-tests.shtml David At 16:57 10-01-19, you wrote: Goo

Re: [Sursound] Publishing music in ambisonics

2019-01-10 Thread David Pickett
Aswath, I do not know whether one can upload multichannel sound files to Soundcloud, Bandcamp, etc; but I have successfully mounted some experimental 4.0 mp4 files on my website. They are not B-format, but are in 5.1 format 5.1: FL, FR, C, LFE, RL, RR, where the C and B channels are silent.

[Sursound] Publishing music in ambisonics

2019-01-10 Thread aswath Prabhu
Good day to you all, I would like to know as to how to publish the audio that you make in ambisonics on the web. If i have a stereo file, its easy to upload to Soundcloud, Bandcamp etc. But am not really sure if there is any online player or player to embed in a website that can play B format